madsrdf=http://www.loc.gov/mads/rdf/v1# bflc=http://id.loc.gov/ontologies/bflc/ foaf=http://xmlns.com/foaf/0.1/ rdf=http://www.w3.org/1999/02/22-rdf-syntax-ns# dbo=http://dbpedia.org/ontology/ rdfs=http://www.w3.org/2000/01/rdf-schema# yago=http://yago-knowledge.org/resource/ dc=http://purl.org/dc/elements/1.1/ dbp=http://dbpedia.org/property/